crystal oscillator - 12 - 1507b_NT14M09TA_j high precision oscillator (twin-dcxo) for fixed communication equipment NT14M09TA base stations for system mobile communications optical transmission system measuring instrument synthesizer exchanger high-end router main application low current consumption (max. 35ma) and high stability (5010 ?9 /-40c to+85c). excellent long-term frequency stability. excellent phase noise characteristics. hermetic sealing package for excellent environmental-proof performance. same foot pattern as the same size ocxo (foot pattern compatible). features dimensions nominal frequency (mhz) ordering code 10 NT14M09TA-10m-nsa3543a 12.8 NT14M09TA-12.8m-nsa3543a 13 NT14M09TA-13m-nsa3543a 16.384 NT14M09TA-16.384m-nsa3543a 19.2 NT14M09TA-19.2m-nsa3543a 20 NT14M09TA-20m-nsa3543a 25 NT14M09TA-25m-nsa3543a 26 NT14M09TA-26m-nsa3543a 30.72 NT14M09TA-30.72m-nsa3543a 38.4 NT14M09TA-38.4m-nsa3543a 38.88 NT14M09TA-38.88m-nsa3543a 40 NT14M09TA-40m-nsa3543a the above frequencies are ndks standard frequencies. frequencies other than the above are available. feel free to contact our sales representatives. list of ordering codes specifcations model item measurement condition NT14M09TA nominal frequency range (mhz) 5 to 40 nominal frequency (mhz) 10, 12.8, 13, 16.384, 19.2, 20, 25, 26, 30.72, 38.4, 38.88, 40 supply voltage [v cc ] (v) +3.3 5 % current consumption(ma) max. 35 output voltage lvcmos (v ol max. 0.3 v, v oh min. 3 v) symmetry (%) at 1/2 v cc 45 to 55 load impedance (pf) 15 operating temperature range (c) C40 to +85 storage temperature range (c) C40 to +85 long-term frequency stability based on frequency after 24hours operation max. 20010 C9 /year frequency/temperature characteristics max. 5010 C9 frequency/voltage coeffcient v cc +3.3 v 5 % typ. 510 C9 (max. 1010 C9 ) frequency control range v cont +0.2 v to + 2.8v (@1.5 v) max. 5.010 C6 frequency change polarity frequency change polarity positive linearity typ. 1% phase noise (at 10 mhz) offset frequency dbc/hz (typ.) 1 hz C70 10 hz C100 100 hz C125 1 khz C150 10 khz C160 the value of phase noise changes when the frequency changes. reference value mm land pattern (typical) 2.54 2.54 1.25 3.00 3.00 2. 25 2. 25 14.30.3 9.40.3 6.50.2 6.40.2 #4 #6 #5 #1 #2 #3 2.540.1 2.540.1 1.00.1 terminal land connections #1 #2 #3 v cont gnd nc* #4 #5 #6 v cc output nc* *please dont connec t
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